Home / 10,116.24-13,962.60-6,389.52

Finding the Fourth Proportional to 10,116.24, 13,962.60 and 6,389.52

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Solution

The fourth proportional to 10,116.24, 13,962.60 and 6,389.52 is: 8,818.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,116.24 : 13,962.60 = 6,389.52 : x
  2. Step 2: Convert to fraction form
    10,116.24/13,962.60 = 6,389.52/x
  3. Step 3: Cross multiply
    10,116.24x = 13,962.60 × 6,389.52
  4. Step 4: Simplify right side
    10,116.24x = 89,214,311.95
  5. Step 5: Solve for x
    x = 89,214,311.95/10,116.24
  6. Step 6: Final answer
    x = 8,818.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.